Unlock a PDF
Remove password protection from a PDF when you know the password, so it opens without asking again. Free, private, and decrypted in your browser.
- Files never leave your device
- Free, no sign-up
- No watermark
Good to know: This removes a password you already know. It does not crack or bypass unknown passwords.
About Unlock PDF
Tired of typing the same password every time you open a bank statement, payslip or report? Enter the password once and this tool saves an unlocked copy that opens normally, so you can merge, compress, edit or print it with any app. Decryption uses qpdf compiled to WebAssembly and runs entirely in your browser, which means the file and the password never leave your device.
How to use Unlock PDF
- 1
Drop the password-protected PDF onto the tool.
- 2
Type the password you already use to open it.
- 3
Click Unlock PDF.
- 4
Download the unlocked copy and keep it somewhere safe.
Why use this tool
- Removes the open password and editing restrictions in one step.
- Uses qpdf, a widely trusted PDF engine, compiled to run in your browser.
- Your password is never sent anywhere.
- Makes protected files usable in other tools such as Merge or Compress PDF.
- Free, with no account and no watermark.
Frequently asked questions
No. It only removes protection when you supply the correct password. It does not guess, crack or bypass passwords.
Yes. The password is used by code running in your own browser tab and is never transmitted to CodeMites or anyone else.
Unlocked copies are easier to archive, search, merge and print, and they stop asking for the password every time.
No. The pages are identical; only the encryption is removed.
Use Protect PDF to encrypt the file with a new password.
Yes. It runs in any modern browser on Android and iOS as well as on Windows, macOS and Linux, with nothing to install.
Yes. There is no account, no watermark and no usage limit. The tool runs in your own browser, so there is no server cost to charge you for.
Related tools
All PDF tools →- Protect PDFAdd a password to a PDF and encrypt it so only people with the password can open it.
- Merge PDFCombine multiple PDF files into one document in seconds.
- Compress PDFReduce PDF file size by re-encoding page images at the quality you choose, or strip metadata losslessly.
- Split PDFSplit a PDF into single pages, custom page ranges, every N pages or files under a size limit.
- Organize PDFRearrange PDF pages by dragging thumbnails and remove the pages you do not need.
- Rotate PDFRotate all pages or only selected pages of a PDF by 90, 180 or 270 degrees and save it permanently.